CVE-2026-88157
HighCVSS 8.8Summary
Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.
Risk Assessment
An unauthorized attacker could execute code on the system, potentially leading to system takeover or further privilege escalation.
Recommendation
Apply the security update for OpenSSH on Windows.
Other vulnerabilities in OpenSSH for Windows
See all- CVE-2026-83871High
Heap-based buffer overflow in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
- CVE-2026-83769High
A use after free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
- CVE-2026-83754High
Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.
- CVE-2026-70163High
A vulnerability in OpenSSH for Windows involves allocation of resources without limits or throttling. An unauthenticated attacker can cause a denial of service over the network.
- CVE-2026-97816Critical
OpenSSH for Windows is affected by a use after free vulnerability. This allows an unauthorized attacker to execute code over a network.
- CVE-2026-69397High
A use-after-free vulnerability in OpenSSH for Windows allows an unauthorized attacker to execute code over a network. The issue stems from using freed memory.
Original NVD description (English source)
Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS